Calculation on Bending Stiffness of RC Short Beam Strengthened by CFRP

Table 3

Mechanical performance index of steel bar.

Rebar grade	Diameter (mm)	Yield strength (MPa)	Tensile strength (MPa)	Modulus of elasticity (GPa)
HRB400	8	418	642	200
	10	411	641	200
	12	520	616	200
	14	421	543	200